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mod_graceful_shutdown/mod_graceful_shutdown.lua @ 4776:13e913471b75
mod_http_admin_api: Ensure freshness of metrics when in manual mode
When in manual collection mode, as recommended for Prometheus,
collection needs to be triggered manually, or they would be stale,
possibly dating from the start of the server. This might vary per metric
depending on how and when the metrics are gathered.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 18 Nov 2021 19:26:07 +0100 |
parent | 2170:4652a112a4ba |
child | 4892:8dbaa5e753f3 |
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-- luacheck: ignore 122/prosody 113/prosody local timer = require "util.timer"; local portman = require "core.portmanager"; local server = require "net.server"; module:set_global(); local orig_shutdown = prosody.shutdown; local pause = module:get_option_number("shutdown_pause", 1); function module.unload() prosody.shutdown = orig_shutdown; end prosody.shutdown = coroutine.wrap(function (reason, code) prosody.shutdown_reason = reason; prosody.shutdown_code = code; timer.add_task(pause, prosody.shutdown); coroutine.yield(true, "shutdown initiated"); -- Close c2s ports, stop accepting new connections portman.deactivate("c2s"); -- Close all c2s sessions for _, sess in pairs(prosody.full_sessions) do sess:close{ condition = "system-shutdown", text = reason } end -- Wait for notifications to be sent coroutine.yield(pause); -- Event for everything else to shut down prosody.events.fire_event("server-stopping", { reason = reason; code = code; }); -- And wait coroutine.yield(pause); -- And stop main event loop server.setquitting(true); -- And wait for death coroutine.yield(pause * 3); -- you came back? die zombie! os.exit(1); end);